.el-header, .el-footer {
        background-color: #B3C0D1;
        color: #333;
        text-align: center;
        line-height: 60px;
      }

      .el-aside {
        background-color: #D3DCE6;
        color: #333;
        text-align: center;
        line-height: 200px;
      }

      .el-main {
        background-color: #E9EEF3;
        color: #333;
        text-align: center;
        line-height: 160px;
      }

      body > .el-container {
        margin-bottom: 40px;
      }

      .el-container:nth-child(5) .el-aside,
      .el-container:nth-child(6) .el-aside {
        line-height: 260px;
      }

      .el-container:nth-child(7) .el-aside {
        line-height: 320px;
      }